Is Aetherworks Marvel legal in Standard, Modern, and Commander?

Aetherworks Marvel is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

What type of card is Aetherworks Marvel?

Aetherworks Marvel is a Legendary Artifact. Its oracle text reads: "Whenever a permanent you control is put into a graveyard, you get {E} (an energy counter). {T}, Pay six {E}: Look at the top six cards of your library. You may cast a spell from among them without paying its mana cost. Put the rest on the bottom of your library in a random order."

Aetherworks Marvel

Legendary Artifact

$0.35 ↗Commander, Modern

Whenever a permanent you control is put into a graveyard, you get (an energy counter).

, Pay six : Look at the top six cards of your library. You may cast a spell from among them without paying its mana cost. Put the rest on the bottom of your library in a random order.